Fatal error: Uncaught Error: Class "OC\AppFramework\Bootstrap\ServiceRegistration" not found in /home/ally/mittondev/temp/nextcloud/lib/private/AppFramework/Bootstrap/PreviewProviderRegistration.php:32 Stack trace: #0 {main} thrown in /home/ally/mittondev/temp/nextcloud/lib/private/AppFramework/Bootstrap/PreviewProviderRegistration.php on line 32